9 #include <acpi_drivers.h>
18 #pragma alloc_text (PAGE, Bus_PDO_PnP)
19 #pragma alloc_text (PAGE, Bus_PDO_QueryDeviceCaps)
20 #pragma alloc_text (PAGE, Bus_PDO_QueryDeviceId)
21 #pragma alloc_text (PAGE, Bus_PDO_QueryDeviceText)
22 #pragma alloc_text (PAGE, Bus_PDO_QueryResources)
23 #pragma alloc_text (PAGE, Bus_PDO_QueryResourceRequirements)
24 #pragma alloc_text (PAGE, Bus_PDO_QueryDeviceRelations)
25 #pragma alloc_text (PAGE, Bus_PDO_QueryBusInformation)
26 #pragma alloc_text (PAGE, Bus_GetDeviceCapabilities)
31 PDEVICE_OBJECT DeviceObject
,
33 PIO_STACK_LOCATION IrpStack
,
34 PPDO_DEVICE_DATA DeviceData
39 struct acpi_device
*device
= NULL
;
43 if (DeviceData
->AcpiHandle
)
44 acpi_bus_get_device(DeviceData
->AcpiHandle
, &device
);
47 // NB: Because we are a bus enumerator, we have no one to whom we could
48 // defer these irps. Therefore we do not pass them down but merely
52 switch (IrpStack
->MinorFunction
) {
54 case IRP_MN_START_DEVICE
:
56 // Here we do what ever initialization and ``turning on'' that is
57 // required to allow others to access this device.
58 // Power up the device.
60 if (DeviceData
->AcpiHandle
&& acpi_bus_power_manageable(DeviceData
->AcpiHandle
) &&
61 !ACPI_SUCCESS(acpi_bus_set_power(DeviceData
->AcpiHandle
, ACPI_STATE_D0
)))
63 DPRINT1("Device %x failed to start!\n", DeviceData
->AcpiHandle
);
64 status
= STATUS_UNSUCCESSFUL
;
68 DeviceData
->InterfaceName
.Length
= 0;
69 status
= STATUS_SUCCESS
;
73 status
= IoRegisterDeviceInterface(DeviceData
->Common
.Self
,
74 &GUID_DEVICE_SYS_BUTTON
,
76 &DeviceData
->InterfaceName
);
78 else if (device
->flags
.hardware_id
&&
79 strstr(device
->pnp
.hardware_id
, ACPI_THERMAL_HID
))
81 status
= IoRegisterDeviceInterface(DeviceData
->Common
.Self
,
82 &GUID_DEVICE_THERMAL_ZONE
,
84 &DeviceData
->InterfaceName
);
86 else if (device
->flags
.hardware_id
&&
87 strstr(device
->pnp
.hardware_id
, ACPI_BUTTON_HID_LID
))
89 status
= IoRegisterDeviceInterface(DeviceData
->Common
.Self
,
92 &DeviceData
->InterfaceName
);
94 else if (device
->flags
.hardware_id
&&
95 strstr(device
->pnp
.hardware_id
, ACPI_PROCESSOR_HID
))
97 status
= IoRegisterDeviceInterface(DeviceData
->Common
.Self
,
98 &GUID_DEVICE_PROCESSOR
,
100 &DeviceData
->InterfaceName
);
103 /* Failure to register an interface is not a fatal failure so don't return a failure status */
104 if (NT_SUCCESS(status
) && DeviceData
->InterfaceName
.Length
!= 0)
105 IoSetDeviceInterfaceState(&DeviceData
->InterfaceName
, TRUE
);
107 state
.DeviceState
= PowerDeviceD0
;
108 PoSetPowerState(DeviceData
->Common
.Self
, DevicePowerState
, state
);
109 DeviceData
->Common
.DevicePowerState
= PowerDeviceD0
;
110 SET_NEW_PNP_STATE(DeviceData
->Common
, Started
);
111 status
= STATUS_SUCCESS
;
114 case IRP_MN_STOP_DEVICE
:
116 if (DeviceData
->InterfaceName
.Length
!= 0)
117 IoSetDeviceInterfaceState(&DeviceData
->InterfaceName
, FALSE
);
120 // Here we shut down the device and give up and unmap any resources
121 // we acquired for the device.
123 if (DeviceData
->AcpiHandle
&& acpi_bus_power_manageable(DeviceData
->AcpiHandle
) &&
124 !ACPI_SUCCESS(acpi_bus_set_power(DeviceData
->AcpiHandle
, ACPI_STATE_D3
)))
126 DPRINT1("Device %x failed to stop!\n", DeviceData
->AcpiHandle
);
127 status
= STATUS_UNSUCCESSFUL
;
131 state
.DeviceState
= PowerDeviceD3
;
132 PoSetPowerState(DeviceData
->Common
.Self
, DevicePowerState
, state
);
133 DeviceData
->Common
.DevicePowerState
= PowerDeviceD3
;
134 SET_NEW_PNP_STATE(DeviceData
->Common
, Stopped
);
135 status
= STATUS_SUCCESS
;
139 case IRP_MN_QUERY_STOP_DEVICE
:
142 // No reason here why we can't stop the device.
143 // If there were a reason we should speak now, because answering success
144 // here may result in a stop device irp.
147 SET_NEW_PNP_STATE(DeviceData
->Common
, StopPending
);
148 status
= STATUS_SUCCESS
;
151 case IRP_MN_CANCEL_STOP_DEVICE
:
154 // The stop was canceled. Whatever state we set, or resources we put
155 // on hold in anticipation of the forthcoming STOP device IRP should be
156 // put back to normal. Someone, in the long list of concerned parties,
157 // has failed the stop device query.
161 // First check to see whether you have received cancel-stop
162 // without first receiving a query-stop. This could happen if someone
163 // above us fails a query-stop and passes down the subsequent
167 if (StopPending
== DeviceData
->Common
.DevicePnPState
)
170 // We did receive a query-stop, so restore.
172 RESTORE_PREVIOUS_PNP_STATE(DeviceData
->Common
);
174 status
= STATUS_SUCCESS
;// We must not fail this IRP.
176 case IRP_MN_QUERY_CAPABILITIES
:
179 // Return the capabilities of a device, such as whether the device
180 // can be locked or ejected..etc
183 status
= Bus_PDO_QueryDeviceCaps(DeviceData
, Irp
);
187 case IRP_MN_QUERY_ID
:
189 // Query the IDs of the device
190 status
= Bus_PDO_QueryDeviceId(DeviceData
, Irp
);
194 case IRP_MN_QUERY_DEVICE_RELATIONS
:
196 DPRINT("\tQueryDeviceRelation Type: %s\n",DbgDeviceRelationString(\
197 IrpStack
->Parameters
.QueryDeviceRelations
.Type
));
199 status
= Bus_PDO_QueryDeviceRelations(DeviceData
, Irp
);
203 case IRP_MN_QUERY_DEVICE_TEXT
:
205 status
= Bus_PDO_QueryDeviceText(DeviceData
, Irp
);
209 case IRP_MN_QUERY_RESOURCES
:
211 status
= Bus_PDO_QueryResources(DeviceData
, Irp
);
215 case IRP_MN_QUERY_RESOURCE_REQUIREMENTS
:
217 status
= Bus_PDO_QueryResourceRequirements(DeviceData
, Irp
);
221 case IRP_MN_QUERY_BUS_INFORMATION
:
223 status
= Bus_PDO_QueryBusInformation(DeviceData
, Irp
);
227 case IRP_MN_QUERY_INTERFACE
:
229 status
= Bus_PDO_QueryInterface(DeviceData
, Irp
);
234 case IRP_MN_FILTER_RESOURCE_REQUIREMENTS
:
237 // OPTIONAL for bus drivers.
238 // The PnP Manager sends this IRP to a device
239 // stack so filter and function drivers can adjust the
240 // resources required by the device, if appropriate.
245 //case IRP_MN_QUERY_PNP_DEVICE_STATE:
248 // OPTIONAL for bus drivers.
249 // The PnP Manager sends this IRP after the drivers for
250 // a device return success from the IRP_MN_START_DEVICE
251 // request. The PnP Manager also sends this IRP when a
252 // driver for the device calls IoInvalidateDeviceState.
257 //case IRP_MN_READ_CONFIG:
258 //case IRP_MN_WRITE_CONFIG:
261 // Bus drivers for buses with configuration space must handle
262 // this request for their child devices. Our devices don't
263 // have a config space.
268 //case IRP_MN_SET_LOCK:
275 // For PnP requests to the PDO that we do not understand we should
276 // return the IRP WITHOUT setting the status or information fields.
277 // These fields may have already been set by a filter (eg acpi).
278 status
= Irp
->IoStatus
.Status
;
283 Irp
->IoStatus
.Status
= status
;
284 IoCompleteRequest (Irp
, IO_NO_INCREMENT
);
290 Bus_PDO_QueryDeviceCaps(
291 PPDO_DEVICE_DATA DeviceData
,
295 PIO_STACK_LOCATION stack
;
296 PDEVICE_CAPABILITIES deviceCapabilities
;
297 struct acpi_device
*device
= NULL
;
302 if (DeviceData
->AcpiHandle
)
303 acpi_bus_get_device(DeviceData
->AcpiHandle
, &device
);
305 stack
= IoGetCurrentIrpStackLocation (Irp
);
310 deviceCapabilities
=stack
->Parameters
.DeviceCapabilities
.Capabilities
;
313 // Set the capabilities.
316 if (deviceCapabilities
->Version
!= 1 ||
317 deviceCapabilities
->Size
< sizeof(DEVICE_CAPABILITIES
))
319 return STATUS_UNSUCCESSFUL
;
322 deviceCapabilities
->D1Latency
= 0;
323 deviceCapabilities
->D2Latency
= 0;
324 deviceCapabilities
->D3Latency
= 0;
326 deviceCapabilities
->DeviceState
[PowerSystemWorking
] = PowerDeviceD0
;
327 deviceCapabilities
->DeviceState
[PowerSystemSleeping1
] = PowerDeviceD3
;
328 deviceCapabilities
->DeviceState
[PowerSystemSleeping2
] = PowerDeviceD3
;
329 deviceCapabilities
->DeviceState
[PowerSystemSleeping3
] = PowerDeviceD3
;
331 for (i
= 0; i
< ACPI_D_STATE_COUNT
&& device
; i
++)
333 if (!device
->power
.states
[i
].flags
.valid
)
339 deviceCapabilities
->DeviceState
[PowerSystemWorking
] = PowerDeviceD0
;
343 deviceCapabilities
->DeviceState
[PowerSystemSleeping1
] = PowerDeviceD1
;
344 deviceCapabilities
->D1Latency
= device
->power
.states
[i
].latency
;
348 deviceCapabilities
->DeviceState
[PowerSystemSleeping2
] = PowerDeviceD2
;
349 deviceCapabilities
->D2Latency
= device
->power
.states
[i
].latency
;
353 deviceCapabilities
->DeviceState
[PowerSystemSleeping3
] = PowerDeviceD3
;
354 deviceCapabilities
->D3Latency
= device
->power
.states
[i
].latency
;
359 // We can wake the system from D1
360 deviceCapabilities
->DeviceWake
= PowerDeviceD1
;
363 deviceCapabilities
->DeviceD1
=
364 (deviceCapabilities
->DeviceState
[PowerSystemSleeping1
] == PowerDeviceD1
) ? TRUE
: FALSE
;
365 deviceCapabilities
->DeviceD2
=
366 (deviceCapabilities
->DeviceState
[PowerSystemSleeping2
] == PowerDeviceD2
) ? TRUE
: FALSE
;
368 deviceCapabilities
->WakeFromD0
= FALSE
;
369 deviceCapabilities
->WakeFromD1
= TRUE
; //Yes we can
370 deviceCapabilities
->WakeFromD2
= FALSE
;
371 deviceCapabilities
->WakeFromD3
= FALSE
;
375 deviceCapabilities
->LockSupported
= device
->flags
.lockable
;
376 deviceCapabilities
->EjectSupported
= device
->flags
.ejectable
;
377 deviceCapabilities
->HardwareDisabled
= !device
->status
.enabled
&& !device
->status
.functional
;
378 deviceCapabilities
->Removable
= device
->flags
.removable
;
379 deviceCapabilities
->SurpriseRemovalOK
= device
->flags
.suprise_removal_ok
;
380 deviceCapabilities
->UniqueID
= device
->flags
.unique_id
;
381 deviceCapabilities
->NoDisplayInUI
= !device
->status
.show_in_ui
;
382 deviceCapabilities
->Address
= device
->pnp
.bus_address
;
386 (device
->flags
.hardware_id
&&
387 (strstr(device
->pnp
.hardware_id
, ACPI_BUTTON_HID_LID
) ||
388 strstr(device
->pnp
.hardware_id
, ACPI_THERMAL_HID
) ||
389 strstr(device
->pnp
.hardware_id
, ACPI_PROCESSOR_HID
))))
391 /* Allow ACPI to control the device if it is a lid button,
392 * a thermal zone, a processor, or a fixed feature button */
393 deviceCapabilities
->RawDeviceOK
= TRUE
;
396 deviceCapabilities
->SilentInstall
= FALSE
;
397 deviceCapabilities
->UINumber
= (ULONG
)-1;
399 return STATUS_SUCCESS
;
404 Bus_PDO_QueryDeviceId(
405 PPDO_DEVICE_DATA DeviceData
,
408 PIO_STACK_LOCATION stack
;
412 NTSTATUS status
= STATUS_SUCCESS
;
413 struct acpi_device
*Device
;
417 stack
= IoGetCurrentIrpStackLocation (Irp
);
419 switch (stack
->Parameters
.QueryId
.IdType
) {
421 case BusQueryDeviceID
:
422 if (DeviceData
->AcpiHandle
)
424 acpi_bus_get_device(DeviceData
->AcpiHandle
, &Device
);
426 length
= swprintf(temp
,
428 Device
->pnp
.hardware_id
);
432 /* We know it's a fixed feature button because
433 * these are direct children of the ACPI root device
434 * and therefore have no handle
436 length
= swprintf(temp
,
437 L
"ACPI\\FixedButton");
440 temp
[++length
] = UNICODE_NULL
;
442 buffer
= ExAllocatePoolWithTag (PagedPool
, length
* sizeof(WCHAR
), 'IPCA');
445 status
= STATUS_INSUFFICIENT_RESOURCES
;
449 RtlCopyMemory (buffer
, temp
, length
* sizeof(WCHAR
));
450 Irp
->IoStatus
.Information
= (ULONG_PTR
) buffer
;
451 DPRINT("BusQueryDeviceID: %ls\n",buffer
);
454 case BusQueryInstanceID
:
455 /* See comment in BusQueryDeviceID case */
456 if(DeviceData
->AcpiHandle
)
458 acpi_bus_get_device(DeviceData
->AcpiHandle
, &Device
);
460 if (Device
->flags
.unique_id
)
461 length
= swprintf(temp
,
463 Device
->pnp
.unique_id
);
465 /* FIXME: Generate unique id! */
466 length
= swprintf(temp
, L
"%ls", L
"0000");
469 /* FIXME: Generate unique id! */
470 length
= swprintf(temp
, L
"%ls", L
"0000");
472 temp
[++length
] = UNICODE_NULL
;
474 buffer
= ExAllocatePoolWithTag (PagedPool
, length
* sizeof (WCHAR
), 'IPCA');
476 status
= STATUS_INSUFFICIENT_RESOURCES
;
480 RtlCopyMemory (buffer
, temp
, length
* sizeof (WCHAR
));
481 DPRINT("BusQueryInstanceID: %ls\n",buffer
);
482 Irp
->IoStatus
.Information
= (ULONG_PTR
) buffer
;
485 case BusQueryHardwareIDs
:
488 /* See comment in BusQueryDeviceID case */
489 if (DeviceData
->AcpiHandle
)
491 acpi_bus_get_device(DeviceData
->AcpiHandle
, &Device
);
493 length
+= swprintf(&temp
[length
],
495 Device
->pnp
.hardware_id
);
498 length
+= swprintf(&temp
[length
],
500 Device
->pnp
.hardware_id
);
505 length
+= swprintf(&temp
[length
],
506 L
"ACPI\\FixedButton");
509 length
+= swprintf(&temp
[length
],
514 temp
[length
] = UNICODE_NULL
;
518 temp
[length
] = UNICODE_NULL
;
520 buffer
= ExAllocatePoolWithTag (PagedPool
, length
* sizeof(WCHAR
), 'IPCA');
523 status
= STATUS_INSUFFICIENT_RESOURCES
;
527 RtlCopyMemory (buffer
, temp
, length
* sizeof(WCHAR
));
528 Irp
->IoStatus
.Information
= (ULONG_PTR
) buffer
;
529 DPRINT("BusQueryHardwareIDs: %ls\n",buffer
);
533 status
= Irp
->IoStatus
.Status
;
539 Bus_PDO_QueryDeviceText(
540 PPDO_DEVICE_DATA DeviceData
,
544 PIO_STACK_LOCATION stack
;
545 NTSTATUS status
= Irp
->IoStatus
.Status
;
548 stack
= IoGetCurrentIrpStackLocation (Irp
);
550 switch (stack
->Parameters
.QueryDeviceText
.DeviceTextType
) {
552 case DeviceTextDescription
:
554 if (!Irp
->IoStatus
.Information
) {
555 if (wcsstr (DeviceData
->HardwareIDs
, L
"PNP000") != 0)
556 Temp
= L
"Programmable interrupt controller";
557 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP010") != 0)
558 Temp
= L
"System timer";
559 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP020") != 0)
560 Temp
= L
"DMA controller";
561 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP03") != 0)
563 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP040") != 0)
564 Temp
= L
"Parallel port";
565 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP05") != 0)
566 Temp
= L
"Serial port";
567 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP06") != 0)
568 Temp
= L
"Disk controller";
569 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP07") != 0)
570 Temp
= L
"Disk controller";
571 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP09") != 0)
572 Temp
= L
"Display adapter";
573 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP0A0") != 0)
574 Temp
= L
"Bus controller";
575 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP0E0") != 0)
576 Temp
= L
"PCMCIA controller";
577 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP0F") != 0)
578 Temp
= L
"Mouse device";
579 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP8") != 0)
580 Temp
= L
"Network adapter";
581 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNPA0") != 0)
582 Temp
= L
"SCSI controller";
583 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNPB0") != 0)
584 Temp
= L
"Multimedia device";
585 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNPC00") != 0)
587 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP0C0C") != 0)
588 Temp
= L
"Power Button";
589 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP0C0E") != 0)
590 Temp
= L
"Sleep Button";
591 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP0C0D") != 0)
592 Temp
= L
"Lid Switch";
593 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP0C09") != 0)
594 Temp
= L
"ACPI Embedded Controller";
595 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP0C0B") != 0)
597 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP0A03") != 0 ||
598 wcsstr(DeviceData
->HardwareIDs
, L
"PNP0A08") != 0 )
599 Temp
= L
"PCI Root Bridge";
600 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP0C0A") != 0)
601 Temp
= L
"ACPI Battery";
602 else if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP0C0F") != 0)
603 Temp
= L
"PCI Interrupt Link";
604 else if (wcsstr(DeviceData
->HardwareIDs
, L
"ACPI_PWR") != 0)
605 Temp
= L
"ACPI Power Resource";
606 else if (wcsstr(DeviceData
->HardwareIDs
, L
"Processor") != 0)
608 else if (wcsstr(DeviceData
->HardwareIDs
, L
"ThermalZone") != 0)
609 Temp
= L
"ACPI Thermal Zone";
610 else if (wcsstr(DeviceData
->HardwareIDs
, L
"ACPI0002") != 0)
611 Temp
= L
"Smart Battery";
612 else if (wcsstr(DeviceData
->HardwareIDs
, L
"ACPI0003") != 0)
613 Temp
= L
"AC Adapter";
614 /* Simply checking if AcpiHandle is NULL eliminates the need to check
615 * for the 4 different names that ACPI knows the fixed feature button as internally
617 else if (!DeviceData
->AcpiHandle
)
618 Temp
= L
"ACPI Fixed Feature Button";
620 Temp
= L
"Other ACPI device";
622 Buffer
= ExAllocatePoolWithTag (PagedPool
, (wcslen(Temp
) + 1) * sizeof(WCHAR
), 'IPCA');
625 status
= STATUS_INSUFFICIENT_RESOURCES
;
629 RtlCopyMemory (Buffer
, Temp
, (wcslen(Temp
) + 1) * sizeof(WCHAR
));
631 DPRINT("\tDeviceTextDescription :%ws\n", Buffer
);
633 Irp
->IoStatus
.Information
= (ULONG_PTR
) Buffer
;
634 status
= STATUS_SUCCESS
;
647 Bus_PDO_QueryResources(
648 PPDO_DEVICE_DATA DeviceData
,
651 ULONG NumberOfResources
= 0;
652 PCM_RESOURCE_LIST ResourceList
;
653 PCM_PARTIAL_RESOURCE_DESCRIPTOR ResourceDescriptor
;
654 ACPI_STATUS AcpiStatus
;
656 ACPI_RESOURCE
* resource
;
657 ULONG ResourceListSize
;
660 struct acpi_device
*device
;
662 if (!DeviceData
->AcpiHandle
)
664 return Irp
->IoStatus
.Status
;
667 /* A bus number resource is not included in the list of current resources
668 * for the root PCI bus so we manually query one here and if we find it
669 * we create a resource list and add a bus number descriptor to it */
670 if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP0A03") != 0 ||
671 wcsstr(DeviceData
->HardwareIDs
, L
"PNP0A08") != 0)
673 acpi_bus_get_device(DeviceData
->AcpiHandle
, &device
);
675 AcpiStatus
= acpi_evaluate_integer(DeviceData
->AcpiHandle
, "_BBN", NULL
, &BusNumber
);
676 if (AcpiStatus
!= AE_OK
)
679 if (device
->flags
.unique_id
)
681 /* FIXME: Try the unique ID */
687 DPRINT1("Failed to find a bus number\n");
692 DPRINT1("Using _BBN for bus number\n");
695 DPRINT1("Found PCI root hub: %d\n", BusNumber
);
697 ResourceListSize
= sizeof(CM_RESOURCE_LIST
);
698 ResourceList
= (PCM_RESOURCE_LIST
)ExAllocatePoolWithTag(PagedPool
, ResourceListSize
, 'IPCA');
700 return STATUS_INSUFFICIENT_RESOURCES
;
702 ResourceList
->Count
= 1;
703 ResourceList
->List
[0].InterfaceType
= Internal
;
704 ResourceList
->List
[0].BusNumber
= 0;
705 ResourceList
->List
[0].PartialResourceList
.Version
= 1;
706 ResourceList
->List
[0].PartialResourceList
.Revision
= 1;
707 ResourceList
->List
[0].PartialResourceList
.Count
= 1;
708 ResourceDescriptor
= ResourceList
->List
[0].PartialResourceList
.PartialDescriptors
;
710 ResourceDescriptor
->Type
= CmResourceTypeBusNumber
;
711 ResourceDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
712 ResourceDescriptor
->u
.BusNumber
.Start
= BusNumber
;
713 ResourceDescriptor
->u
.BusNumber
.Length
= 1;
715 Irp
->IoStatus
.Information
= (ULONG_PTR
)ResourceList
;
716 return STATUS_SUCCESS
;
719 /* Get current resources */
721 AcpiStatus
= AcpiGetCurrentResources(DeviceData
->AcpiHandle
, &Buffer
);
722 if ((!ACPI_SUCCESS(AcpiStatus
) && AcpiStatus
!= AE_BUFFER_OVERFLOW
) ||
725 return Irp
->IoStatus
.Status
;
728 Buffer
.Pointer
= ExAllocatePoolWithTag(PagedPool
, Buffer
.Length
, 'IPCA');
730 return STATUS_INSUFFICIENT_RESOURCES
;
732 AcpiStatus
= AcpiGetCurrentResources(DeviceData
->AcpiHandle
, &Buffer
);
733 if (!ACPI_SUCCESS(AcpiStatus
))
735 DPRINT1("AcpiGetCurrentResources #2 failed (0x%x)\n", AcpiStatus
);
737 return STATUS_UNSUCCESSFUL
;
740 resource
= Buffer
.Pointer
;
741 /* Count number of resources */
742 while (resource
->Type
!= ACPI_RESOURCE_TYPE_END_TAG
)
744 switch (resource
->Type
)
746 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ
:
748 ACPI_RESOURCE_EXTENDED_IRQ
*irq_data
= (ACPI_RESOURCE_EXTENDED_IRQ
*) &resource
->Data
;
749 if (irq_data
->ProducerConsumer
== ACPI_PRODUCER
)
751 NumberOfResources
+= irq_data
->InterruptCount
;
754 case ACPI_RESOURCE_TYPE_IRQ
:
756 ACPI_RESOURCE_IRQ
*irq_data
= (ACPI_RESOURCE_IRQ
*) &resource
->Data
;
757 NumberOfResources
+= irq_data
->InterruptCount
;
760 case ACPI_RESOURCE_TYPE_DMA
:
762 ACPI_RESOURCE_DMA
*dma_data
= (ACPI_RESOURCE_DMA
*) &resource
->Data
;
763 NumberOfResources
+= dma_data
->ChannelCount
;
766 case ACPI_RESOURCE_TYPE_ADDRESS16
:
767 case ACPI_RESOURCE_TYPE_ADDRESS32
:
768 case ACPI_RESOURCE_TYPE_ADDRESS64
:
769 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64
:
771 ACPI_RESOURCE_ADDRESS
*addr_res
= (ACPI_RESOURCE_ADDRESS
*) &resource
->Data
;
772 if (addr_res
->ProducerConsumer
== ACPI_PRODUCER
)
777 case ACPI_RESOURCE_TYPE_MEMORY24
:
778 case ACPI_RESOURCE_TYPE_MEMORY32
:
779 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32
:
780 case ACPI_RESOURCE_TYPE_FIXED_IO
:
781 case ACPI_RESOURCE_TYPE_IO
:
788 DPRINT1("Unknown resource type: %d\n", resource
->Type
);
792 resource
= ACPI_NEXT_RESOURCE(resource
);
795 /* Allocate memory */
796 ResourceListSize
= sizeof(CM_RESOURCE_LIST
) + sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR
) * (NumberOfResources
- 1);
797 ResourceList
= (PCM_RESOURCE_LIST
)ExAllocatePoolWithTag(PagedPool
, ResourceListSize
, 'IPCA');
801 ExFreePoolWithTag(Buffer
.Pointer
, 'IPCA');
802 return STATUS_INSUFFICIENT_RESOURCES
;
804 ResourceList
->Count
= 1;
805 ResourceList
->List
[0].InterfaceType
= Internal
; /* FIXME */
806 ResourceList
->List
[0].BusNumber
= 0; /* We're the only ACPI bus device in the system */
807 ResourceList
->List
[0].PartialResourceList
.Version
= 1;
808 ResourceList
->List
[0].PartialResourceList
.Revision
= 1;
809 ResourceList
->List
[0].PartialResourceList
.Count
= NumberOfResources
;
810 ResourceDescriptor
= ResourceList
->List
[0].PartialResourceList
.PartialDescriptors
;
812 /* Fill resources list structure */
813 resource
= Buffer
.Pointer
;
814 while (resource
->Type
!= ACPI_RESOURCE_TYPE_END_TAG
)
816 switch (resource
->Type
)
818 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ
:
820 ACPI_RESOURCE_EXTENDED_IRQ
*irq_data
= (ACPI_RESOURCE_EXTENDED_IRQ
*) &resource
->Data
;
821 if (irq_data
->ProducerConsumer
== ACPI_PRODUCER
)
823 for (i
= 0; i
< irq_data
->InterruptCount
; i
++)
825 ResourceDescriptor
->Type
= CmResourceTypeInterrupt
;
827 ResourceDescriptor
->ShareDisposition
=
828 (irq_data
->Sharable
== ACPI_SHARED
? CmResourceShareShared
: CmResourceShareDeviceExclusive
);
829 ResourceDescriptor
->Flags
=
830 (irq_data
->Triggering
== ACPI_LEVEL_SENSITIVE
? CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE
: CM_RESOURCE_INTERRUPT_LATCHED
);
831 ResourceDescriptor
->u
.Interrupt
.Level
=
832 ResourceDescriptor
->u
.Interrupt
.Vector
= irq_data
->Interrupts
[i
];
833 ResourceDescriptor
->u
.Interrupt
.Affinity
= (KAFFINITY
)(-1);
835 ResourceDescriptor
++;
839 case ACPI_RESOURCE_TYPE_IRQ
:
841 ACPI_RESOURCE_IRQ
*irq_data
= (ACPI_RESOURCE_IRQ
*) &resource
->Data
;
842 for (i
= 0; i
< irq_data
->InterruptCount
; i
++)
844 ResourceDescriptor
->Type
= CmResourceTypeInterrupt
;
846 ResourceDescriptor
->ShareDisposition
=
847 (irq_data
->Sharable
== ACPI_SHARED
? CmResourceShareShared
: CmResourceShareDeviceExclusive
);
848 ResourceDescriptor
->Flags
=
849 (irq_data
->Triggering
== ACPI_LEVEL_SENSITIVE
? CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE
: CM_RESOURCE_INTERRUPT_LATCHED
);
850 ResourceDescriptor
->u
.Interrupt
.Level
=
851 ResourceDescriptor
->u
.Interrupt
.Vector
= irq_data
->Interrupts
[i
];
852 ResourceDescriptor
->u
.Interrupt
.Affinity
= (KAFFINITY
)(-1);
854 ResourceDescriptor
++;
858 case ACPI_RESOURCE_TYPE_DMA
:
860 ACPI_RESOURCE_DMA
*dma_data
= (ACPI_RESOURCE_DMA
*) &resource
->Data
;
861 for (i
= 0; i
< dma_data
->ChannelCount
; i
++)
863 ResourceDescriptor
->Type
= CmResourceTypeDma
;
864 ResourceDescriptor
->Flags
= 0;
865 switch (dma_data
->Type
)
867 case ACPI_TYPE_A
: ResourceDescriptor
->Flags
|= CM_RESOURCE_DMA_TYPE_A
; break;
868 case ACPI_TYPE_B
: ResourceDescriptor
->Flags
|= CM_RESOURCE_DMA_TYPE_B
; break;
869 case ACPI_TYPE_F
: ResourceDescriptor
->Flags
|= CM_RESOURCE_DMA_TYPE_F
; break;
871 if (dma_data
->BusMaster
== ACPI_BUS_MASTER
)
872 ResourceDescriptor
->Flags
|= CM_RESOURCE_DMA_BUS_MASTER
;
873 switch (dma_data
->Transfer
)
875 case ACPI_TRANSFER_8
: ResourceDescriptor
->Flags
|= CM_RESOURCE_DMA_8
; break;
876 case ACPI_TRANSFER_16
: ResourceDescriptor
->Flags
|= CM_RESOURCE_DMA_16
; break;
877 case ACPI_TRANSFER_8_16
: ResourceDescriptor
->Flags
|= CM_RESOURCE_DMA_8_AND_16
; break;
879 ResourceDescriptor
->u
.Dma
.Channel
= dma_data
->Channels
[i
];
881 ResourceDescriptor
++;
885 case ACPI_RESOURCE_TYPE_IO
:
887 ACPI_RESOURCE_IO
*io_data
= (ACPI_RESOURCE_IO
*) &resource
->Data
;
888 ResourceDescriptor
->Type
= CmResourceTypePort
;
889 ResourceDescriptor
->ShareDisposition
= CmResourceShareDriverExclusive
;
890 ResourceDescriptor
->Flags
= CM_RESOURCE_PORT_IO
;
891 if (io_data
->IoDecode
== ACPI_DECODE_16
)
892 ResourceDescriptor
->Flags
|= CM_RESOURCE_PORT_16_BIT_DECODE
;
894 ResourceDescriptor
->Flags
|= CM_RESOURCE_PORT_10_BIT_DECODE
;
895 ResourceDescriptor
->u
.Port
.Start
.QuadPart
= io_data
->Minimum
;
896 ResourceDescriptor
->u
.Port
.Length
= io_data
->AddressLength
;
898 ResourceDescriptor
++;
901 case ACPI_RESOURCE_TYPE_FIXED_IO
:
903 ACPI_RESOURCE_FIXED_IO
*io_data
= (ACPI_RESOURCE_FIXED_IO
*) &resource
->Data
;
904 ResourceDescriptor
->Type
= CmResourceTypePort
;
905 ResourceDescriptor
->ShareDisposition
= CmResourceShareDriverExclusive
;
906 ResourceDescriptor
->Flags
= CM_RESOURCE_PORT_IO
;
907 ResourceDescriptor
->u
.Port
.Start
.QuadPart
= io_data
->Address
;
908 ResourceDescriptor
->u
.Port
.Length
= io_data
->AddressLength
;
910 ResourceDescriptor
++;
913 case ACPI_RESOURCE_TYPE_ADDRESS16
:
915 ACPI_RESOURCE_ADDRESS16
*addr16_data
= (ACPI_RESOURCE_ADDRESS16
*) &resource
->Data
;
916 if (addr16_data
->ProducerConsumer
== ACPI_PRODUCER
)
918 if (addr16_data
->ResourceType
== ACPI_BUS_NUMBER_RANGE
)
920 ResourceDescriptor
->Type
= CmResourceTypeBusNumber
;
921 ResourceDescriptor
->ShareDisposition
= CmResourceShareShared
;
922 ResourceDescriptor
->Flags
= 0;
923 ResourceDescriptor
->u
.BusNumber
.Start
= addr16_data
->Minimum
;
924 ResourceDescriptor
->u
.BusNumber
.Length
= addr16_data
->AddressLength
;
926 else if (addr16_data
->ResourceType
== ACPI_IO_RANGE
)
928 ResourceDescriptor
->Type
= CmResourceTypePort
;
929 ResourceDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
930 ResourceDescriptor
->Flags
= CM_RESOURCE_PORT_IO
;
931 if (addr16_data
->Decode
== ACPI_POS_DECODE
)
932 ResourceDescriptor
->Flags
|= CM_RESOURCE_PORT_POSITIVE_DECODE
;
933 ResourceDescriptor
->u
.Port
.Start
.QuadPart
= addr16_data
->Minimum
;
934 ResourceDescriptor
->u
.Port
.Length
= addr16_data
->AddressLength
;
938 ResourceDescriptor
->Type
= CmResourceTypeMemory
;
939 ResourceDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
940 ResourceDescriptor
->Flags
= 0;
941 if (addr16_data
->Info
.Mem
.WriteProtect
== ACPI_READ_ONLY_MEMORY
)
942 ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_ONLY
;
944 ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_WRITE
;
945 switch (addr16_data
->Info
.Mem
.Caching
)
947 case ACPI_CACHABLE_MEMORY
: ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_CACHEABLE
; break;
948 case ACPI_WRITE_COMBINING_MEMORY
: ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_COMBINEDWRITE
; break;
949 case ACPI_PREFETCHABLE_MEMORY
: ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_PREFETCHABLE
; break;
951 ResourceDescriptor
->u
.Memory
.Start
.QuadPart
= addr16_data
->Minimum
;
952 ResourceDescriptor
->u
.Memory
.Length
= addr16_data
->AddressLength
;
954 ResourceDescriptor
++;
957 case ACPI_RESOURCE_TYPE_ADDRESS32
:
959 ACPI_RESOURCE_ADDRESS32
*addr32_data
= (ACPI_RESOURCE_ADDRESS32
*) &resource
->Data
;
960 if (addr32_data
->ProducerConsumer
== ACPI_PRODUCER
)
962 if (addr32_data
->ResourceType
== ACPI_BUS_NUMBER_RANGE
)
964 ResourceDescriptor
->Type
= CmResourceTypeBusNumber
;
965 ResourceDescriptor
->ShareDisposition
= CmResourceShareShared
;
966 ResourceDescriptor
->Flags
= 0;
967 ResourceDescriptor
->u
.BusNumber
.Start
= addr32_data
->Minimum
;
968 ResourceDescriptor
->u
.BusNumber
.Length
= addr32_data
->AddressLength
;
970 else if (addr32_data
->ResourceType
== ACPI_IO_RANGE
)
972 ResourceDescriptor
->Type
= CmResourceTypePort
;
973 ResourceDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
974 ResourceDescriptor
->Flags
= CM_RESOURCE_PORT_IO
;
975 if (addr32_data
->Decode
== ACPI_POS_DECODE
)
976 ResourceDescriptor
->Flags
|= CM_RESOURCE_PORT_POSITIVE_DECODE
;
977 ResourceDescriptor
->u
.Port
.Start
.QuadPart
= addr32_data
->Minimum
;
978 ResourceDescriptor
->u
.Port
.Length
= addr32_data
->AddressLength
;
982 ResourceDescriptor
->Type
= CmResourceTypeMemory
;
983 ResourceDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
984 ResourceDescriptor
->Flags
= 0;
985 if (addr32_data
->Info
.Mem
.WriteProtect
== ACPI_READ_ONLY_MEMORY
)
986 ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_ONLY
;
988 ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_WRITE
;
989 switch (addr32_data
->Info
.Mem
.Caching
)
991 case ACPI_CACHABLE_MEMORY
: ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_CACHEABLE
; break;
992 case ACPI_WRITE_COMBINING_MEMORY
: ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_COMBINEDWRITE
; break;
993 case ACPI_PREFETCHABLE_MEMORY
: ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_PREFETCHABLE
; break;
995 ResourceDescriptor
->u
.Memory
.Start
.QuadPart
= addr32_data
->Minimum
;
996 ResourceDescriptor
->u
.Memory
.Length
= addr32_data
->AddressLength
;
998 ResourceDescriptor
++;
1001 case ACPI_RESOURCE_TYPE_ADDRESS64
:
1003 ACPI_RESOURCE_ADDRESS64
*addr64_data
= (ACPI_RESOURCE_ADDRESS64
*) &resource
->Data
;
1004 if (addr64_data
->ProducerConsumer
== ACPI_PRODUCER
)
1006 if (addr64_data
->ResourceType
== ACPI_BUS_NUMBER_RANGE
)
1008 DPRINT1("64-bit bus address is not supported!\n");
1009 ResourceDescriptor
->Type
= CmResourceTypeBusNumber
;
1010 ResourceDescriptor
->ShareDisposition
= CmResourceShareShared
;
1011 ResourceDescriptor
->Flags
= 0;
1012 ResourceDescriptor
->u
.BusNumber
.Start
= (ULONG
)addr64_data
->Minimum
;
1013 ResourceDescriptor
->u
.BusNumber
.Length
= addr64_data
->AddressLength
;
1015 else if (addr64_data
->ResourceType
== ACPI_IO_RANGE
)
1017 ResourceDescriptor
->Type
= CmResourceTypePort
;
1018 ResourceDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
1019 ResourceDescriptor
->Flags
= CM_RESOURCE_PORT_IO
;
1020 if (addr64_data
->Decode
== ACPI_POS_DECODE
)
1021 ResourceDescriptor
->Flags
|= CM_RESOURCE_PORT_POSITIVE_DECODE
;
1022 ResourceDescriptor
->u
.Port
.Start
.QuadPart
= addr64_data
->Minimum
;
1023 ResourceDescriptor
->u
.Port
.Length
= addr64_data
->AddressLength
;
1027 ResourceDescriptor
->Type
= CmResourceTypeMemory
;
1028 ResourceDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
1029 ResourceDescriptor
->Flags
= 0;
1030 if (addr64_data
->Info
.Mem
.WriteProtect
== ACPI_READ_ONLY_MEMORY
)
1031 ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_ONLY
;
1033 ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_WRITE
;
1034 switch (addr64_data
->Info
.Mem
.Caching
)
1036 case ACPI_CACHABLE_MEMORY
: ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_CACHEABLE
; break;
1037 case ACPI_WRITE_COMBINING_MEMORY
: ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_COMBINEDWRITE
; break;
1038 case ACPI_PREFETCHABLE_MEMORY
: ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_PREFETCHABLE
; break;
1040 ResourceDescriptor
->u
.Memory
.Start
.QuadPart
= addr64_data
->Minimum
;
1041 ResourceDescriptor
->u
.Memory
.Length
= addr64_data
->AddressLength
;
1043 ResourceDescriptor
++;
1046 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64
:
1048 ACPI_RESOURCE_EXTENDED_ADDRESS64
*addr64_data
= (ACPI_RESOURCE_EXTENDED_ADDRESS64
*) &resource
->Data
;
1049 if (addr64_data
->ProducerConsumer
== ACPI_PRODUCER
)
1051 if (addr64_data
->ResourceType
== ACPI_BUS_NUMBER_RANGE
)
1053 DPRINT1("64-bit bus address is not supported!\n");
1054 ResourceDescriptor
->Type
= CmResourceTypeBusNumber
;
1055 ResourceDescriptor
->ShareDisposition
= CmResourceShareShared
;
1056 ResourceDescriptor
->Flags
= 0;
1057 ResourceDescriptor
->u
.BusNumber
.Start
= (ULONG
)addr64_data
->Minimum
;
1058 ResourceDescriptor
->u
.BusNumber
.Length
= addr64_data
->AddressLength
;
1060 else if (addr64_data
->ResourceType
== ACPI_IO_RANGE
)
1062 ResourceDescriptor
->Type
= CmResourceTypePort
;
1063 ResourceDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
1064 ResourceDescriptor
->Flags
= CM_RESOURCE_PORT_IO
;
1065 if (addr64_data
->Decode
== ACPI_POS_DECODE
)
1066 ResourceDescriptor
->Flags
|= CM_RESOURCE_PORT_POSITIVE_DECODE
;
1067 ResourceDescriptor
->u
.Port
.Start
.QuadPart
= addr64_data
->Minimum
;
1068 ResourceDescriptor
->u
.Port
.Length
= addr64_data
->AddressLength
;
1072 ResourceDescriptor
->Type
= CmResourceTypeMemory
;
1073 ResourceDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
1074 ResourceDescriptor
->Flags
= 0;
1075 if (addr64_data
->Info
.Mem
.WriteProtect
== ACPI_READ_ONLY_MEMORY
)
1076 ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_ONLY
;
1078 ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_WRITE
;
1079 switch (addr64_data
->Info
.Mem
.Caching
)
1081 case ACPI_CACHABLE_MEMORY
: ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_CACHEABLE
; break;
1082 case ACPI_WRITE_COMBINING_MEMORY
: ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_COMBINEDWRITE
; break;
1083 case ACPI_PREFETCHABLE_MEMORY
: ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_PREFETCHABLE
; break;
1085 ResourceDescriptor
->u
.Memory
.Start
.QuadPart
= addr64_data
->Minimum
;
1086 ResourceDescriptor
->u
.Memory
.Length
= addr64_data
->AddressLength
;
1088 ResourceDescriptor
++;
1091 case ACPI_RESOURCE_TYPE_MEMORY24
:
1093 ACPI_RESOURCE_MEMORY24
*mem24_data
= (ACPI_RESOURCE_MEMORY24
*) &resource
->Data
;
1094 ResourceDescriptor
->Type
= CmResourceTypeMemory
;
1095 ResourceDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
1096 ResourceDescriptor
->Flags
= CM_RESOURCE_MEMORY_24
;
1097 if (mem24_data
->WriteProtect
== ACPI_READ_ONLY_MEMORY
)
1098 ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_ONLY
;
1100 ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_WRITE
;
1101 ResourceDescriptor
->u
.Memory
.Start
.QuadPart
= mem24_data
->Minimum
;
1102 ResourceDescriptor
->u
.Memory
.Length
= mem24_data
->AddressLength
;
1104 ResourceDescriptor
++;
1107 case ACPI_RESOURCE_TYPE_MEMORY32
:
1109 ACPI_RESOURCE_MEMORY32
*mem32_data
= (ACPI_RESOURCE_MEMORY32
*) &resource
->Data
;
1110 ResourceDescriptor
->Type
= CmResourceTypeMemory
;
1111 ResourceDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
1112 ResourceDescriptor
->Flags
= 0;
1113 if (mem32_data
->WriteProtect
== ACPI_READ_ONLY_MEMORY
)
1114 ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_ONLY
;
1116 ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_WRITE
;
1117 ResourceDescriptor
->u
.Memory
.Start
.QuadPart
= mem32_data
->Minimum
;
1118 ResourceDescriptor
->u
.Memory
.Length
= mem32_data
->AddressLength
;
1120 ResourceDescriptor
++;
1123 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32
:
1125 ACPI_RESOURCE_FIXED_MEMORY32
*memfixed32_data
= (ACPI_RESOURCE_FIXED_MEMORY32
*) &resource
->Data
;
1126 ResourceDescriptor
->Type
= CmResourceTypeMemory
;
1127 ResourceDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
1128 ResourceDescriptor
->Flags
= 0;
1129 if (memfixed32_data
->WriteProtect
== ACPI_READ_ONLY_MEMORY
)
1130 ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_ONLY
;
1132 ResourceDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_WRITE
;
1133 ResourceDescriptor
->u
.Memory
.Start
.QuadPart
= memfixed32_data
->Address
;
1134 ResourceDescriptor
->u
.Memory
.Length
= memfixed32_data
->AddressLength
;
1136 ResourceDescriptor
++;
1144 resource
= ACPI_NEXT_RESOURCE(resource
);
1147 ExFreePoolWithTag(Buffer
.Pointer
, 'IPCA');
1148 Irp
->IoStatus
.Information
= (ULONG_PTR
)ResourceList
;
1149 return STATUS_SUCCESS
;
1153 Bus_PDO_QueryResourceRequirements(
1154 PPDO_DEVICE_DATA DeviceData
,
1157 ULONG NumberOfResources
= 0;
1158 ACPI_STATUS AcpiStatus
;
1160 ACPI_RESOURCE
* resource
;
1161 ULONG i
, RequirementsListSize
;
1162 PIO_RESOURCE_REQUIREMENTS_LIST RequirementsList
;
1163 PIO_RESOURCE_DESCRIPTOR RequirementDescriptor
;
1164 BOOLEAN CurrentRes
= FALSE
;
1168 if (!DeviceData
->AcpiHandle
)
1170 return Irp
->IoStatus
.Status
;
1173 /* Handle the PCI root manually */
1174 if (wcsstr(DeviceData
->HardwareIDs
, L
"PNP0A03") != 0 ||
1175 wcsstr(DeviceData
->HardwareIDs
, L
"PNP0A08") != 0)
1177 return Irp
->IoStatus
.Status
;
1180 /* Get current resources */
1185 AcpiStatus
= AcpiGetCurrentResources(DeviceData
->AcpiHandle
, &Buffer
);
1187 AcpiStatus
= AcpiGetPossibleResources(DeviceData
->AcpiHandle
, &Buffer
);
1188 if ((!ACPI_SUCCESS(AcpiStatus
) && AcpiStatus
!= AE_BUFFER_OVERFLOW
) ||
1194 return Irp
->IoStatus
.Status
;
1200 Buffer
.Pointer
= ExAllocatePoolWithTag(PagedPool
, Buffer
.Length
, 'IPCA');
1201 if (!Buffer
.Pointer
)
1202 return STATUS_INSUFFICIENT_RESOURCES
;
1205 AcpiStatus
= AcpiGetCurrentResources(DeviceData
->AcpiHandle
, &Buffer
);
1207 AcpiStatus
= AcpiGetPossibleResources(DeviceData
->AcpiHandle
, &Buffer
);
1208 if (!ACPI_SUCCESS(AcpiStatus
))
1210 DPRINT1("AcpiGetCurrentResources #2 failed (0x%x)\n", AcpiStatus
);
1212 return STATUS_UNSUCCESSFUL
;
1215 resource
= Buffer
.Pointer
;
1216 /* Count number of resources */
1217 while (resource
->Type
!= ACPI_RESOURCE_TYPE_END_TAG
)
1219 switch (resource
->Type
)
1221 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ
:
1223 ACPI_RESOURCE_EXTENDED_IRQ
*irq_data
= (ACPI_RESOURCE_EXTENDED_IRQ
*) &resource
->Data
;
1224 if (irq_data
->ProducerConsumer
== ACPI_PRODUCER
)
1226 NumberOfResources
+= irq_data
->InterruptCount
;
1229 case ACPI_RESOURCE_TYPE_IRQ
:
1231 ACPI_RESOURCE_IRQ
*irq_data
= (ACPI_RESOURCE_IRQ
*) &resource
->Data
;
1232 NumberOfResources
+= irq_data
->InterruptCount
;
1235 case ACPI_RESOURCE_TYPE_DMA
:
1237 ACPI_RESOURCE_DMA
*dma_data
= (ACPI_RESOURCE_DMA
*) &resource
->Data
;
1238 NumberOfResources
+= dma_data
->ChannelCount
;
1241 case ACPI_RESOURCE_TYPE_ADDRESS16
:
1242 case ACPI_RESOURCE_TYPE_ADDRESS32
:
1243 case ACPI_RESOURCE_TYPE_ADDRESS64
:
1244 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64
:
1246 ACPI_RESOURCE_ADDRESS
*res_addr
= (ACPI_RESOURCE_ADDRESS
*) &resource
->Data
;
1247 if (res_addr
->ProducerConsumer
== ACPI_PRODUCER
)
1249 NumberOfResources
++;
1252 case ACPI_RESOURCE_TYPE_MEMORY24
:
1253 case ACPI_RESOURCE_TYPE_MEMORY32
:
1254 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32
:
1255 case ACPI_RESOURCE_TYPE_FIXED_IO
:
1256 case ACPI_RESOURCE_TYPE_IO
:
1258 NumberOfResources
++;
1266 resource
= ACPI_NEXT_RESOURCE(resource
);
1269 RequirementsListSize
= sizeof(IO_RESOURCE_REQUIREMENTS_LIST
) + sizeof(IO_RESOURCE_DESCRIPTOR
) * (NumberOfResources
- 1);
1270 RequirementsList
= (PIO_RESOURCE_REQUIREMENTS_LIST
)ExAllocatePoolWithTag(PagedPool
, RequirementsListSize
, 'IPCA');
1272 if (!RequirementsList
)
1274 ExFreePoolWithTag(Buffer
.Pointer
, 'IPCA');
1275 return STATUS_INSUFFICIENT_RESOURCES
;
1277 RequirementsList
->ListSize
= RequirementsListSize
;
1278 RequirementsList
->InterfaceType
= Internal
;
1279 RequirementsList
->BusNumber
= 0;
1280 RequirementsList
->SlotNumber
= 0; /* Not used by WDM drivers */
1281 RequirementsList
->AlternativeLists
= 1;
1282 RequirementsList
->List
[0].Version
= 1;
1283 RequirementsList
->List
[0].Revision
= 1;
1284 RequirementsList
->List
[0].Count
= NumberOfResources
;
1285 RequirementDescriptor
= RequirementsList
->List
[0].Descriptors
;
1287 /* Fill resources list structure */
1288 resource
= Buffer
.Pointer
;
1289 while (resource
->Type
!= ACPI_RESOURCE_TYPE_END_TAG
&& resource
->Type
!= ACPI_RESOURCE_TYPE_END_DEPENDENT
)
1291 switch (resource
->Type
)
1293 case ACPI_RESOURCE_TYPE_EXTENDED_IRQ
:
1295 ACPI_RESOURCE_EXTENDED_IRQ
*irq_data
= (ACPI_RESOURCE_EXTENDED_IRQ
*) &resource
->Data
;
1296 if (irq_data
->ProducerConsumer
== ACPI_PRODUCER
)
1298 for (i
= 0; i
< irq_data
->InterruptCount
; i
++)
1300 RequirementDescriptor
->Option
= (i
== 0) ? IO_RESOURCE_PREFERRED
: IO_RESOURCE_ALTERNATIVE
;
1301 RequirementDescriptor
->Type
= CmResourceTypeInterrupt
;
1302 RequirementDescriptor
->ShareDisposition
= (irq_data
->Sharable
== ACPI_SHARED
? CmResourceShareShared
: CmResourceShareDeviceExclusive
);
1303 RequirementDescriptor
->Flags
=(irq_data
->Triggering
== ACPI_LEVEL_SENSITIVE
? CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE
: CM_RESOURCE_INTERRUPT_LATCHED
);
1304 RequirementDescriptor
->u
.Interrupt
.MinimumVector
=
1305 RequirementDescriptor
->u
.Interrupt
.MaximumVector
= irq_data
->Interrupts
[i
];
1307 RequirementDescriptor
++;
1311 case ACPI_RESOURCE_TYPE_IRQ
:
1313 ACPI_RESOURCE_IRQ
*irq_data
= (ACPI_RESOURCE_IRQ
*) &resource
->Data
;
1314 for (i
= 0; i
< irq_data
->InterruptCount
; i
++)
1316 RequirementDescriptor
->Option
= (i
== 0) ? IO_RESOURCE_PREFERRED
: IO_RESOURCE_ALTERNATIVE
;
1317 RequirementDescriptor
->Type
= CmResourceTypeInterrupt
;
1318 RequirementDescriptor
->ShareDisposition
= (irq_data
->Sharable
== ACPI_SHARED
? CmResourceShareShared
: CmResourceShareDeviceExclusive
);
1319 RequirementDescriptor
->Flags
=(irq_data
->Triggering
== ACPI_LEVEL_SENSITIVE
? CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE
: CM_RESOURCE_INTERRUPT_LATCHED
);
1320 RequirementDescriptor
->u
.Interrupt
.MinimumVector
=
1321 RequirementDescriptor
->u
.Interrupt
.MaximumVector
= irq_data
->Interrupts
[i
];
1323 RequirementDescriptor
++;
1327 case ACPI_RESOURCE_TYPE_DMA
:
1329 ACPI_RESOURCE_DMA
*dma_data
= (ACPI_RESOURCE_DMA
*) &resource
->Data
;
1330 for (i
= 0; i
< dma_data
->ChannelCount
; i
++)
1332 RequirementDescriptor
->Type
= CmResourceTypeDma
;
1333 RequirementDescriptor
->Flags
= 0;
1334 switch (dma_data
->Type
)
1336 case ACPI_TYPE_A
: RequirementDescriptor
->Flags
|= CM_RESOURCE_DMA_TYPE_A
; break;
1337 case ACPI_TYPE_B
: RequirementDescriptor
->Flags
|= CM_RESOURCE_DMA_TYPE_B
; break;
1338 case ACPI_TYPE_F
: RequirementDescriptor
->Flags
|= CM_RESOURCE_DMA_TYPE_F
; break;
1340 if (dma_data
->BusMaster
== ACPI_BUS_MASTER
)
1341 RequirementDescriptor
->Flags
|= CM_RESOURCE_DMA_BUS_MASTER
;
1342 switch (dma_data
->Transfer
)
1344 case ACPI_TRANSFER_8
: RequirementDescriptor
->Flags
|= CM_RESOURCE_DMA_8
; break;
1345 case ACPI_TRANSFER_16
: RequirementDescriptor
->Flags
|= CM_RESOURCE_DMA_16
; break;
1346 case ACPI_TRANSFER_8_16
: RequirementDescriptor
->Flags
|= CM_RESOURCE_DMA_8_AND_16
; break;
1349 RequirementDescriptor
->Option
= (i
== 0) ? IO_RESOURCE_PREFERRED
: IO_RESOURCE_ALTERNATIVE
;
1350 RequirementDescriptor
->ShareDisposition
= CmResourceShareDriverExclusive
;
1351 RequirementDescriptor
->u
.Dma
.MinimumChannel
=
1352 RequirementDescriptor
->u
.Dma
.MaximumChannel
= dma_data
->Channels
[i
];
1353 RequirementDescriptor
++;
1357 case ACPI_RESOURCE_TYPE_IO
:
1359 ACPI_RESOURCE_IO
*io_data
= (ACPI_RESOURCE_IO
*) &resource
->Data
;
1360 RequirementDescriptor
->Flags
= CM_RESOURCE_PORT_IO
;
1361 if (io_data
->IoDecode
== ACPI_DECODE_16
)
1362 RequirementDescriptor
->Flags
|= CM_RESOURCE_PORT_16_BIT_DECODE
;
1364 RequirementDescriptor
->Flags
|= CM_RESOURCE_PORT_10_BIT_DECODE
;
1365 RequirementDescriptor
->u
.Port
.Length
= io_data
->AddressLength
;
1366 RequirementDescriptor
->Option
= CurrentRes
? 0 : IO_RESOURCE_PREFERRED
;
1367 RequirementDescriptor
->Type
= CmResourceTypePort
;
1368 RequirementDescriptor
->ShareDisposition
= CmResourceShareDriverExclusive
;
1369 RequirementDescriptor
->u
.Port
.Alignment
= io_data
->Alignment
;
1370 RequirementDescriptor
->u
.Port
.MinimumAddress
.QuadPart
= io_data
->Minimum
;
1371 RequirementDescriptor
->u
.Port
.MaximumAddress
.QuadPart
= io_data
->Maximum
+ io_data
->AddressLength
- 1;
1373 RequirementDescriptor
++;
1376 case ACPI_RESOURCE_TYPE_FIXED_IO
:
1378 ACPI_RESOURCE_FIXED_IO
*io_data
= (ACPI_RESOURCE_FIXED_IO
*) &resource
->Data
;
1379 RequirementDescriptor
->Flags
= CM_RESOURCE_PORT_IO
;
1380 RequirementDescriptor
->u
.Port
.Length
= io_data
->AddressLength
;
1381 RequirementDescriptor
->Option
= CurrentRes
? 0 : IO_RESOURCE_PREFERRED
;
1382 RequirementDescriptor
->Type
= CmResourceTypePort
;
1383 RequirementDescriptor
->ShareDisposition
= CmResourceShareDriverExclusive
;
1384 RequirementDescriptor
->u
.Port
.Alignment
= 1;
1385 RequirementDescriptor
->u
.Port
.MinimumAddress
.QuadPart
= io_data
->Address
;
1386 RequirementDescriptor
->u
.Port
.MaximumAddress
.QuadPart
= io_data
->Address
+ io_data
->AddressLength
- 1;
1388 RequirementDescriptor
++;
1391 case ACPI_RESOURCE_TYPE_ADDRESS16
:
1393 ACPI_RESOURCE_ADDRESS16
*addr16_data
= (ACPI_RESOURCE_ADDRESS16
*) &resource
->Data
;
1394 if (addr16_data
->ProducerConsumer
== ACPI_PRODUCER
)
1396 RequirementDescriptor
->Option
= CurrentRes
? 0 : IO_RESOURCE_PREFERRED
;
1397 if (addr16_data
->ResourceType
== ACPI_BUS_NUMBER_RANGE
)
1399 RequirementDescriptor
->Type
= CmResourceTypeBusNumber
;
1400 RequirementDescriptor
->ShareDisposition
= CmResourceShareShared
;
1401 RequirementDescriptor
->Flags
= 0;
1402 RequirementDescriptor
->u
.BusNumber
.MinBusNumber
= addr16_data
->Minimum
;
1403 RequirementDescriptor
->u
.BusNumber
.MaxBusNumber
= addr16_data
->Maximum
+ addr16_data
->AddressLength
- 1;
1404 RequirementDescriptor
->u
.BusNumber
.Length
= addr16_data
->AddressLength
;
1406 else if (addr16_data
->ResourceType
== ACPI_IO_RANGE
)
1408 RequirementDescriptor
->Type
= CmResourceTypePort
;
1409 RequirementDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
1410 RequirementDescriptor
->Flags
= CM_RESOURCE_PORT_IO
;
1411 if (addr16_data
->Decode
== ACPI_POS_DECODE
)
1412 RequirementDescriptor
->Flags
|= CM_RESOURCE_PORT_POSITIVE_DECODE
;
1413 RequirementDescriptor
->u
.Port
.MinimumAddress
.QuadPart
= addr16_data
->Minimum
;
1414 RequirementDescriptor
->u
.Port
.MaximumAddress
.QuadPart
= addr16_data
->Maximum
+ addr16_data
->AddressLength
- 1;
1415 RequirementDescriptor
->u
.Port
.Length
= addr16_data
->AddressLength
;
1419 RequirementDescriptor
->Type
= CmResourceTypeMemory
;
1420 RequirementDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
1421 RequirementDescriptor
->Flags
= 0;
1422 if (addr16_data
->Info
.Mem
.WriteProtect
== ACPI_READ_ONLY_MEMORY
)
1423 RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_ONLY
;
1425 RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_WRITE
;
1426 switch (addr16_data
->Info
.Mem
.Caching
)
1428 case ACPI_CACHABLE_MEMORY
: RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_CACHEABLE
; break;
1429 case ACPI_WRITE_COMBINING_MEMORY
: RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_COMBINEDWRITE
; break;
1430 case ACPI_PREFETCHABLE_MEMORY
: RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_PREFETCHABLE
; break;
1432 RequirementDescriptor
->u
.Memory
.MinimumAddress
.QuadPart
= addr16_data
->Minimum
;
1433 RequirementDescriptor
->u
.Memory
.MaximumAddress
.QuadPart
= addr16_data
->Maximum
+ addr16_data
->AddressLength
- 1;
1434 RequirementDescriptor
->u
.Memory
.Length
= addr16_data
->AddressLength
;
1436 RequirementDescriptor
++;
1439 case ACPI_RESOURCE_TYPE_ADDRESS32
:
1441 ACPI_RESOURCE_ADDRESS32
*addr32_data
= (ACPI_RESOURCE_ADDRESS32
*) &resource
->Data
;
1442 if (addr32_data
->ProducerConsumer
== ACPI_PRODUCER
)
1444 RequirementDescriptor
->Option
= CurrentRes
? 0 : IO_RESOURCE_PREFERRED
;
1445 if (addr32_data
->ResourceType
== ACPI_BUS_NUMBER_RANGE
)
1447 RequirementDescriptor
->Type
= CmResourceTypeBusNumber
;
1448 RequirementDescriptor
->ShareDisposition
= CmResourceShareShared
;
1449 RequirementDescriptor
->Flags
= 0;
1450 RequirementDescriptor
->u
.BusNumber
.MinBusNumber
= addr32_data
->Minimum
;
1451 RequirementDescriptor
->u
.BusNumber
.MaxBusNumber
= addr32_data
->Maximum
+ addr32_data
->AddressLength
- 1;
1452 RequirementDescriptor
->u
.BusNumber
.Length
= addr32_data
->AddressLength
;
1454 else if (addr32_data
->ResourceType
== ACPI_IO_RANGE
)
1456 RequirementDescriptor
->Type
= CmResourceTypePort
;
1457 RequirementDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
1458 RequirementDescriptor
->Flags
= CM_RESOURCE_PORT_IO
;
1459 if (addr32_data
->Decode
== ACPI_POS_DECODE
)
1460 RequirementDescriptor
->Flags
|= CM_RESOURCE_PORT_POSITIVE_DECODE
;
1461 RequirementDescriptor
->u
.Port
.MinimumAddress
.QuadPart
= addr32_data
->Minimum
;
1462 RequirementDescriptor
->u
.Port
.MaximumAddress
.QuadPart
= addr32_data
->Maximum
+ addr32_data
->AddressLength
- 1;
1463 RequirementDescriptor
->u
.Port
.Length
= addr32_data
->AddressLength
;
1467 RequirementDescriptor
->Type
= CmResourceTypeMemory
;
1468 RequirementDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
1469 RequirementDescriptor
->Flags
= 0;
1470 if (addr32_data
->Info
.Mem
.WriteProtect
== ACPI_READ_ONLY_MEMORY
)
1471 RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_ONLY
;
1473 RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_WRITE
;
1474 switch (addr32_data
->Info
.Mem
.Caching
)
1476 case ACPI_CACHABLE_MEMORY
: RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_CACHEABLE
; break;
1477 case ACPI_WRITE_COMBINING_MEMORY
: RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_COMBINEDWRITE
; break;
1478 case ACPI_PREFETCHABLE_MEMORY
: RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_PREFETCHABLE
; break;
1480 RequirementDescriptor
->u
.Memory
.MinimumAddress
.QuadPart
= addr32_data
->Minimum
;
1481 RequirementDescriptor
->u
.Memory
.MaximumAddress
.QuadPart
= addr32_data
->Maximum
+ addr32_data
->AddressLength
- 1;
1482 RequirementDescriptor
->u
.Memory
.Length
= addr32_data
->AddressLength
;
1484 RequirementDescriptor
++;
1487 case ACPI_RESOURCE_TYPE_ADDRESS64
:
1489 ACPI_RESOURCE_ADDRESS64
*addr64_data
= (ACPI_RESOURCE_ADDRESS64
*) &resource
->Data
;
1490 if (addr64_data
->ProducerConsumer
== ACPI_PRODUCER
)
1492 RequirementDescriptor
->Option
= CurrentRes
? 0 : IO_RESOURCE_PREFERRED
;
1493 if (addr64_data
->ResourceType
== ACPI_BUS_NUMBER_RANGE
)
1495 DPRINT1("64-bit bus address is not supported!\n");
1496 RequirementDescriptor
->Type
= CmResourceTypeBusNumber
;
1497 RequirementDescriptor
->ShareDisposition
= CmResourceShareShared
;
1498 RequirementDescriptor
->Flags
= 0;
1499 RequirementDescriptor
->u
.BusNumber
.MinBusNumber
= (ULONG
)addr64_data
->Minimum
;
1500 RequirementDescriptor
->u
.BusNumber
.MaxBusNumber
= (ULONG
)addr64_data
->Maximum
+ addr64_data
->AddressLength
- 1;
1501 RequirementDescriptor
->u
.BusNumber
.Length
= addr64_data
->AddressLength
;
1503 else if (addr64_data
->ResourceType
== ACPI_IO_RANGE
)
1505 RequirementDescriptor
->Type
= CmResourceTypePort
;
1506 RequirementDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
1507 RequirementDescriptor
->Flags
= CM_RESOURCE_PORT_IO
;
1508 if (addr64_data
->Decode
== ACPI_POS_DECODE
)
1509 RequirementDescriptor
->Flags
|= CM_RESOURCE_PORT_POSITIVE_DECODE
;
1510 RequirementDescriptor
->u
.Port
.MinimumAddress
.QuadPart
= addr64_data
->Minimum
;
1511 RequirementDescriptor
->u
.Port
.MaximumAddress
.QuadPart
= addr64_data
->Maximum
+ addr64_data
->AddressLength
- 1;
1512 RequirementDescriptor
->u
.Port
.Length
= addr64_data
->AddressLength
;
1516 RequirementDescriptor
->Type
= CmResourceTypeMemory
;
1517 RequirementDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
1518 RequirementDescriptor
->Flags
= 0;
1519 if (addr64_data
->Info
.Mem
.WriteProtect
== ACPI_READ_ONLY_MEMORY
)
1520 RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_ONLY
;
1522 RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_WRITE
;
1523 switch (addr64_data
->Info
.Mem
.Caching
)
1525 case ACPI_CACHABLE_MEMORY
: RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_CACHEABLE
; break;
1526 case ACPI_WRITE_COMBINING_MEMORY
: RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_COMBINEDWRITE
; break;
1527 case ACPI_PREFETCHABLE_MEMORY
: RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_PREFETCHABLE
; break;
1529 RequirementDescriptor
->u
.Memory
.MinimumAddress
.QuadPart
= addr64_data
->Minimum
;
1530 RequirementDescriptor
->u
.Memory
.MaximumAddress
.QuadPart
= addr64_data
->Maximum
+ addr64_data
->AddressLength
- 1;
1531 RequirementDescriptor
->u
.Memory
.Length
= addr64_data
->AddressLength
;
1533 RequirementDescriptor
++;
1536 case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64
:
1538 ACPI_RESOURCE_EXTENDED_ADDRESS64
*addr64_data
= (ACPI_RESOURCE_EXTENDED_ADDRESS64
*) &resource
->Data
;
1539 if (addr64_data
->ProducerConsumer
== ACPI_PRODUCER
)
1541 RequirementDescriptor
->Option
= CurrentRes
? 0 : IO_RESOURCE_PREFERRED
;
1542 if (addr64_data
->ResourceType
== ACPI_BUS_NUMBER_RANGE
)
1544 DPRINT1("64-bit bus address is not supported!\n");
1545 RequirementDescriptor
->Type
= CmResourceTypeBusNumber
;
1546 RequirementDescriptor
->ShareDisposition
= CmResourceShareShared
;
1547 RequirementDescriptor
->Flags
= 0;
1548 RequirementDescriptor
->u
.BusNumber
.MinBusNumber
= (ULONG
)addr64_data
->Minimum
;
1549 RequirementDescriptor
->u
.BusNumber
.MaxBusNumber
= (ULONG
)addr64_data
->Maximum
+ addr64_data
->AddressLength
- 1;
1550 RequirementDescriptor
->u
.BusNumber
.Length
= addr64_data
->AddressLength
;
1552 else if (addr64_data
->ResourceType
== ACPI_IO_RANGE
)
1554 RequirementDescriptor
->Type
= CmResourceTypePort
;
1555 RequirementDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
1556 RequirementDescriptor
->Flags
= CM_RESOURCE_PORT_IO
;
1557 if (addr64_data
->Decode
== ACPI_POS_DECODE
)
1558 RequirementDescriptor
->Flags
|= CM_RESOURCE_PORT_POSITIVE_DECODE
;
1559 RequirementDescriptor
->u
.Port
.MinimumAddress
.QuadPart
= addr64_data
->Minimum
;
1560 RequirementDescriptor
->u
.Port
.MaximumAddress
.QuadPart
= addr64_data
->Maximum
+ addr64_data
->AddressLength
- 1;
1561 RequirementDescriptor
->u
.Port
.Length
= addr64_data
->AddressLength
;
1565 RequirementDescriptor
->Type
= CmResourceTypeMemory
;
1566 RequirementDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
1567 RequirementDescriptor
->Flags
= 0;
1568 if (addr64_data
->Info
.Mem
.WriteProtect
== ACPI_READ_ONLY_MEMORY
)
1569 RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_ONLY
;
1571 RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_WRITE
;
1572 switch (addr64_data
->Info
.Mem
.Caching
)
1574 case ACPI_CACHABLE_MEMORY
: RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_CACHEABLE
; break;
1575 case ACPI_WRITE_COMBINING_MEMORY
: RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_COMBINEDWRITE
; break;
1576 case ACPI_PREFETCHABLE_MEMORY
: RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_PREFETCHABLE
; break;
1578 RequirementDescriptor
->u
.Memory
.MinimumAddress
.QuadPart
= addr64_data
->Minimum
;
1579 RequirementDescriptor
->u
.Memory
.MaximumAddress
.QuadPart
= addr64_data
->Maximum
+ addr64_data
->AddressLength
- 1;
1580 RequirementDescriptor
->u
.Memory
.Length
= addr64_data
->AddressLength
;
1582 RequirementDescriptor
++;
1585 case ACPI_RESOURCE_TYPE_MEMORY24
:
1587 ACPI_RESOURCE_MEMORY24
*mem24_data
= (ACPI_RESOURCE_MEMORY24
*) &resource
->Data
;
1588 RequirementDescriptor
->Option
= CurrentRes
? 0 : IO_RESOURCE_PREFERRED
;
1589 RequirementDescriptor
->Type
= CmResourceTypeMemory
;
1590 RequirementDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
1591 RequirementDescriptor
->Flags
= CM_RESOURCE_MEMORY_24
;
1592 if (mem24_data
->WriteProtect
== ACPI_READ_ONLY_MEMORY
)
1593 RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_ONLY
;
1595 RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_WRITE
;
1596 RequirementDescriptor
->u
.Memory
.MinimumAddress
.QuadPart
= mem24_data
->Minimum
;
1597 RequirementDescriptor
->u
.Memory
.MaximumAddress
.QuadPart
= mem24_data
->Maximum
+ mem24_data
->AddressLength
- 1;
1598 RequirementDescriptor
->u
.Memory
.Length
= mem24_data
->AddressLength
;
1600 RequirementDescriptor
++;
1603 case ACPI_RESOURCE_TYPE_MEMORY32
:
1605 ACPI_RESOURCE_MEMORY32
*mem32_data
= (ACPI_RESOURCE_MEMORY32
*) &resource
->Data
;
1606 RequirementDescriptor
->Option
= CurrentRes
? 0 : IO_RESOURCE_PREFERRED
;
1607 RequirementDescriptor
->Type
= CmResourceTypeMemory
;
1608 RequirementDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
1609 RequirementDescriptor
->Flags
= 0;
1610 if (mem32_data
->WriteProtect
== ACPI_READ_ONLY_MEMORY
)
1611 RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_ONLY
;
1613 RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_WRITE
;
1614 RequirementDescriptor
->u
.Memory
.MinimumAddress
.QuadPart
= mem32_data
->Minimum
;
1615 RequirementDescriptor
->u
.Memory
.MaximumAddress
.QuadPart
= mem32_data
->Maximum
+ mem32_data
->AddressLength
- 1;
1616 RequirementDescriptor
->u
.Memory
.Length
= mem32_data
->AddressLength
;
1618 RequirementDescriptor
++;
1621 case ACPI_RESOURCE_TYPE_FIXED_MEMORY32
:
1623 ACPI_RESOURCE_FIXED_MEMORY32
*fixedmem32_data
= (ACPI_RESOURCE_FIXED_MEMORY32
*) &resource
->Data
;
1624 RequirementDescriptor
->Option
= CurrentRes
? 0 : IO_RESOURCE_PREFERRED
;
1625 RequirementDescriptor
->Type
= CmResourceTypeMemory
;
1626 RequirementDescriptor
->ShareDisposition
= CmResourceShareDeviceExclusive
;
1627 RequirementDescriptor
->Flags
= 0;
1628 if (fixedmem32_data
->WriteProtect
== ACPI_READ_ONLY_MEMORY
)
1629 RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_ONLY
;
1631 RequirementDescriptor
->Flags
|= CM_RESOURCE_MEMORY_READ_WRITE
;
1632 RequirementDescriptor
->u
.Memory
.MinimumAddress
.QuadPart
= fixedmem32_data
->Address
;
1633 RequirementDescriptor
->u
.Memory
.MaximumAddress
.QuadPart
= fixedmem32_data
->Address
+ fixedmem32_data
->AddressLength
- 1;
1634 RequirementDescriptor
->u
.Memory
.Length
= fixedmem32_data
->AddressLength
;
1636 RequirementDescriptor
++;
1644 resource
= ACPI_NEXT_RESOURCE(resource
);
1646 ExFreePoolWithTag(Buffer
.Pointer
, 'IPCA');
1648 Irp
->IoStatus
.Information
= (ULONG_PTR
)RequirementsList
;
1650 return STATUS_SUCCESS
;
1654 Bus_PDO_QueryDeviceRelations(
1655 PPDO_DEVICE_DATA DeviceData
,
1659 Routine Description:
1661 The PnP Manager sends this IRP to gather information about
1662 devices with a relationship to the specified device.
1663 Bus drivers must handle this request for TargetDeviceRelation
1664 for their child devices (child PDOs).
1666 If a driver returns relations in response to this IRP,
1667 it allocates a DEVICE_RELATIONS structure from paged
1668 memory containing a count and the appropriate number of
1669 device object pointers. The PnP Manager frees the structure
1670 when it is no longer needed. If a driver replaces a
1671 DEVICE_RELATIONS structure allocated by another driver,
1672 it must free the previous structure.
1674 A driver must reference the PDO of any device that it
1675 reports in this IRP (ObReferenceObject). The PnP Manager
1676 removes the reference when appropriate.
1680 DeviceData - Pointer to the PDO's device extension.
1681 Irp - Pointer to the irp.
1690 PIO_STACK_LOCATION stack
;
1691 PDEVICE_RELATIONS deviceRelations
;
1696 stack
= IoGetCurrentIrpStackLocation (Irp
);
1698 switch (stack
->Parameters
.QueryDeviceRelations
.Type
) {
1700 case TargetDeviceRelation
:
1702 deviceRelations
= (PDEVICE_RELATIONS
) Irp
->IoStatus
.Information
;
1703 if (deviceRelations
) {
1705 // Only PDO can handle this request. Somebody above
1706 // is not playing by rule.
1708 ASSERTMSG("Someone above is handling TargetDeviceRelation", !deviceRelations
);
1711 deviceRelations
= (PDEVICE_RELATIONS
)
1712 ExAllocatePoolWithTag (PagedPool
,
1713 sizeof(DEVICE_RELATIONS
),
1715 if (!deviceRelations
) {
1716 status
= STATUS_INSUFFICIENT_RESOURCES
;
1721 // There is only one PDO pointer in the structure
1722 // for this relation type. The PnP Manager removes
1723 // the reference to the PDO when the driver or application
1724 // un-registers for notification on the device.
1727 deviceRelations
->Count
= 1;
1728 deviceRelations
->Objects
[0] = DeviceData
->Common
.Self
;
1729 ObReferenceObject(DeviceData
->Common
.Self
);
1731 status
= STATUS_SUCCESS
;
1732 Irp
->IoStatus
.Information
= (ULONG_PTR
) deviceRelations
;
1735 case BusRelations
: // Not handled by PDO
1736 case EjectionRelations
: // optional for PDO
1737 case RemovalRelations
: // // optional for PDO
1739 status
= Irp
->IoStatus
.Status
;
1746 Bus_PDO_QueryBusInformation(
1747 PPDO_DEVICE_DATA DeviceData
,
1751 Routine Description:
1753 The PnP Manager uses this IRP to request the type and
1754 instance number of a device's parent bus. Bus drivers
1755 should handle this request for their child devices (PDOs).
1759 DeviceData - Pointer to the PDO's device extension.
1760 Irp - Pointer to the irp.
1769 PPNP_BUS_INFORMATION busInfo
;
1773 busInfo
= ExAllocatePoolWithTag (PagedPool
, sizeof(PNP_BUS_INFORMATION
),
1776 if (busInfo
== NULL
) {
1777 return STATUS_INSUFFICIENT_RESOURCES
;
1780 busInfo
->BusTypeGuid
= GUID_ACPI_INTERFACE_STANDARD
;
1782 busInfo
->LegacyBusType
= InternalPowerBus
;
1784 busInfo
->BusNumber
= 0; //fixme
1786 Irp
->IoStatus
.Information
= (ULONG_PTR
)busInfo
;
1788 return STATUS_SUCCESS
;
1793 Bus_GetDeviceCapabilities(
1794 PDEVICE_OBJECT DeviceObject
,
1795 PDEVICE_CAPABILITIES DeviceCapabilities
1798 IO_STATUS_BLOCK ioStatus
;
1801 PDEVICE_OBJECT targetObject
;
1802 PIO_STACK_LOCATION irpStack
;
1808 // Initialize the capabilities that we will send down
1810 RtlZeroMemory( DeviceCapabilities
, sizeof(DEVICE_CAPABILITIES
) );
1811 DeviceCapabilities
->Size
= sizeof(DEVICE_CAPABILITIES
);
1812 DeviceCapabilities
->Version
= 1;
1813 DeviceCapabilities
->Address
= -1;
1814 DeviceCapabilities
->UINumber
= -1;
1817 // Initialize the event
1819 KeInitializeEvent( &pnpEvent
, NotificationEvent
, FALSE
);
1821 targetObject
= IoGetAttachedDeviceReference( DeviceObject
);
1826 pnpIrp
= IoBuildSynchronousFsdRequest(
1835 if (pnpIrp
== NULL
) {
1837 status
= STATUS_INSUFFICIENT_RESOURCES
;
1838 goto GetDeviceCapabilitiesExit
;
1843 // Pnp Irps all begin life as STATUS_NOT_SUPPORTED;
1845 pnpIrp
->IoStatus
.Status
= STATUS_NOT_SUPPORTED
;
1848 // Get the top of stack
1850 irpStack
= IoGetNextIrpStackLocation( pnpIrp
);
1853 // Set the top of stack
1855 RtlZeroMemory( irpStack
, sizeof(IO_STACK_LOCATION
) );
1856 irpStack
->MajorFunction
= IRP_MJ_PNP
;
1857 irpStack
->MinorFunction
= IRP_MN_QUERY_CAPABILITIES
;
1858 irpStack
->Parameters
.DeviceCapabilities
.Capabilities
= DeviceCapabilities
;
1863 status
= IoCallDriver( targetObject
, pnpIrp
);
1864 if (status
== STATUS_PENDING
) {
1867 // Block until the irp comes back.
1868 // Important thing to note here is when you allocate
1869 // the memory for an event in the stack you must do a
1870 // KernelMode wait instead of UserMode to prevent
1871 // the stack from getting paged out.
1874 KeWaitForSingleObject(
1881 status
= ioStatus
.Status
;
1885 GetDeviceCapabilitiesExit
:
1887 // Done with reference
1889 ObDereferenceObject( targetObject
);